A Dictionary of philosophical quotations/

Geahča maid

• Philosophical Essays /
  Dahkki: Ayer, A. J.
  Almmustuhtton: (1969)
• The concise encyclopedia of western philosophy and philosophers/
  Almmustuhtton: (1995)
• The Penguin dictionary of quotations/
  Dahkki: Cohen, J.M
  Almmustuhtton: (1968)
• A Critical history of western philosophy/
• A Dictionary of common philosophical terms/
  Dahkki: Pence, Gregory
  Almmustuhtton: (2000)